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#1 · 常错题
#2 · 常错题
将循环小数化为分数:整数、有限小数、循环小数都可以化成分数,整数和有限小数化成分数容易,循环小数如何化成分数呢?请看下面的例子. 将循环小数$0.288\ldots $化成分数:将$0.288\ldots $分别乘$10$和$100$,得$2.88\ldots $和$28.88\ldots $,两个得数相减得$26(两个得数小数部分相同)$,而相减所得的$26$应该是$0.288\ldots $的$\left(100-10\right)
#3 · 常错题
今年市委市政府积极推进创建“全国文明城市”工作，市创城办公室为了调查初中学生对“社会主义核心价值观”内容的了解程度\((\)程度分为：“\(A-\)十分熟悉”，“\(B-\)了解较多”，“\(C-\)了解较少”，“\(D-\)不知道”\()\)，对我市一所中学的学生进行了随机抽样调查，根据调查结果绘制了两幅不完整的统计图如图，根据信息解答下列问题： \((1)\)本次抽样调查了多少名学生； \((2)\)补全条形统计图和扇形统计图； \
#4 · 常错题
#5 · 常错题
一批水果的标准质量是$30$千克,超出标准质量记为正,低于标准质量记为负,现记录如下:$+8$,$-9$,$-5$,$+7$,$-8$,$-6$,$+7$,$+10$. $(1)$这批水果总共有多少千克? $(2)$第一天按每千克价格$5$元卖出了这批水果的一半,第二天为了吸引顾客把第一天卖水果的价格降价$20\%$后作为新的价格,卖完了剩下的水果,请计算一下这批水果一共卖了多少钱?
#6 · 常错题
分类讨论思想是数学的重要思想,在学习有理数的过程中,也深有感受$!$ $(1)$当$ab \lt 0$时,若$b \gt 0$,$|a| \lt |b|$,则$a+b \_\_\_\_\_\_0$； $(2)$当$abc \lt 0$时,若$ab \gt 0$,则$c \_\_\_\_\_\_0$； $(3)$已知$a$,$b$,$c$是非零有理数,则$\frac{a}{|a|}+\frac{b}{|b|}+\frac{c}{|c|}=
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七年级·英语·填空题政治经济类阅读
Erica is a nine-year-old girl.Today is a beautiful day for Erica.Her uncle will come from Australia （澳大利亚） today.Her uncle is twenty-seven.He lives there for three years.He will bring a big surprise （惊喜） for Erica. The s
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九年级·英语·填空题感叹句
The driver was p ______ because he broke the traffic rules.
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七年级·英语·选择题感叹句
________ great music it is !（ ）
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七年级·英语·填空题英译汉
In most classes,students sit at desks and listen to teachers in a classroom.But in a new class at Chapman Middle School（CMS） in Kansas,US,students are leaving the blackboards behind for blue skies and green grass. In fac
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八年级·英语·填空题英译汉
Tina is a music teacher at a primary school in Wuhan.She believed her student Joe had a special （1）______ after hearing him play the drums on a bucket （桶）. Joe used to have his own drum set at home,but he （2）______ it in
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九年级·英语·填空题英译汉
Tai chi （太极） is a symbol of Chinese culture.It （1）______ first developed in China as wushu,but now it\’s becoming one of （2）______ most popular sports around the world.It\’s practiced by over 100 million people in more （
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九年级·英语·选择题政治经济类阅读
It\’s great that China has played _______ important role in fighting against COVID-19 all over the world.
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八年级·英语·填空题政治经济类阅读
Oil paper umbrellas have a history of over 1,000 years in China.Once they were everywhere.However,as umbrellas with metal ribs（金属伞骨）（1）______（become）more popular in the last century,people used the hand-made umbrellas le
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九年级·英语·填空题英译汉
在瑞士,如果去参加会议你应当准时.我现在已经习惯早早离开家以避免交通拥堵. In Switzerland,you\’ re ______ to be on time if you go to meetings.Now I\’m getting used to ______ my house early to avoid heavy traffic.
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八年级·英语·选择题英译汉
Ailao Mountain is far_____my home,but my uncle\’s home is close ______ it.（ ）
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八年级·英语·选择题英译汉
—Tom really has a talent English. —Yes,he is also good other subjects.（ ）
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九年级·英语·单词拼写现在完成时的被动语态
A. 根据下列句子及所给汉语注释，写出空缺处各单词的正确形式，每空只写一词。 【 1 】 Those young men are ________ ( 渴望的 ) for success. 【 2 】 The little boy ________ ( 后悔 ) making his mother angry just now. 【 3 】 Do you know one of the greatest ________ ( 钢琴家 )
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九年级·英语·选择题现在完成时的被动语态
—Do you need any help? —No, thanks. We ______ a lot of support since last year.
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九年级·英语·填空题现在完成时的被动语态
A. with B. teaching C. walls D. deep E. warm F. bring G. often H. animals I. quite J. found Thousands of years ago, people had to hunt（打猎）for food. They lived in caves（洞穴）and needed fire to keep (1) . Some of them drew p
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九年级·英语·选择题现在完成时的被动语态
Great changes ______ in our hometown in the past ten years.（ ）
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八年级·英语·填空题史地常识类阅读
Our town is a great place（1）______（（enjoy） my free time. There （2）______（be） three libraries.They are all good,but the one near my house is the（3）______（good）.I often go to read books there with my classmates on weekends
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八年级·英语·选择题现在完成时的被动语态
Great changes in the city, and a lot of factories .（ ）
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九年级·英语·选择题现在完成时的被动语态
-The air here is much fresher than before. -Exactly, a lot of trees ______________ in the past few years.（ ）
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九年级·英语·选择题现在完成时的被动语态
Many of Moyan's books ______ into other languages so far.
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七年级·英语·填空题逸闻趣事类阅读
A crow（乌鸦） lived in the forest and was very happy with his life.But one day he （1）______ a swan（天鹅）."This swan is so white,"he thought,"and I am so black.This swan must be the happiest bird in the world." He told his ide
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